BacklinksBacklinks (or back-links (UK)) are incoming links to a website or web page. The number of backlinks is an indication of the popularity or importance of that website or page. In basic link terminology, a backlink is any link received by a web node (web page, directory, website, or top level domain) from another web node (Björneborn and Ingwersen, 2004). Backlinks are also known as incoming links, inbound links, inlinks, and inward links.
Obtaining backlinks from search engines
Most commercial search engines provide a mechanism to determine the number of backlinks they have recorded to a particular web page. For example, Google can be searched using link:wikipedia.org (or link:en.wikipedia.org) to find the number of pages on the Web pointing to http://wikipedia.org/.
Yahoo!’s Site Explorer is a method of obtaining the number of backlinks on a site.
Other mechanisms have been developed to track backlinks between disparate webpages controlled by organizations that aren't associated with each other. The most notable example of this is TrackBacks between blogs.
From Wikipedia, the free encyclopedia
A Linkback is a method for Web authors to obtain notifications when other authors link to one of their documents. This enables authors to keep track of who is linking to, or referring to their articles. The three methods (Refback, Trackback, and Pingback) differ in how they accomplish this task.
Any of the four terms -- Linkback, Trackback, Pingback, or (rarely) Refback -- might also refer colloquially to items within a section upon the linked page that display the received notifications, usually along with a reciprocal link; Trackback is used most often for this purpose. Also, the word Trackback is often used colloquially to mean any kind of Linkback.
|Trigger mechanism||Visitor to linking site clicks on the link, and his browser takes him to the linked site||Code on linking server examines added or updated documents, extracts links, and sends notification to linked server for each link found||Code on linking server examines added or updated documents, extracts links, and sends notification to linked server for each link found|
|Notification medium||HTTP referer value||HTTP POST||XML-RPC call|
|Capture mechanism||Examination of incoming HTTP referer values||Trackback capture script||XML-RPC function|
|Information sent by linking server||None|| || |
|Additional information presented to linked server||HTTP referer sent by a visitor's browser upon clicking the link||IP address of linking server||IP address of linking server|
|Autodiscovery mechanism (how the linking server finds out how and where to send the notification)||None||Specially-formatted information within the body of the linked page||Special HTTP header or LINK tag on the linked page|
|Action required when notification is received|| || || |
|Advantages||Requires no special code on linking server (the link itself becomes the notification when someone clicks on it)||All the information desired by the linked server (Linking site name, post title, excerpt) is present in the notification itself|| |
|Disadvantages|| || || |
From Wikipedia, the free encyclopediacopyright@Wikipedeia
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When I post these topics as I type and read them it helps me to better understand all the terms of different types "links"...
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